Buderus Logano G315 Installation And Service Instructions Manual page 42

13
System inspection and maintenance
Fig. 56 Flue gas baffles, removing
The various brush types available from Buderus (optional
extras) are shown in Fig. 57.
Fig. 57 Cleaning brushes
B Clean the flue gas passages (Fig. 58, [1]) starting at
the front and working towards the back with cleaning
brushes 1 and 2 (Fig. 57).
B Clean the rear wall of the combustion chamber with
cleaning brush 3.
B Clean the rest of the combustion chamber (Fig. 58, [2])
with cleaning brush 2.
B Clean the bottom flue gas passages from the front with
cleaning brush 2 (Fig. 58, [1]).
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Fig. 58 Heat exchanger heater flue, cleaning
B Undo the four self-tapping screws on the rear boiler
panel at the bottom.
B Remove bottom rear boiler panel.
B Loosen spring hooks below the flue outlet (
page 30).
B Fold both ends of the thermal insulation up (Fig. 59,
[1]) and fasten in this position with the spring hooks.
B Remove the cleanout covers from the rear section
(Fig. 59, [2]) and on the draft diverter (Fig. 59, [3]).
B Remove all loose combustion residues from the
combustion chamber, the flue gas passages and the
draft diverter.
B Check sealant ropes on the openings of the cleanout
covers and burner door. Replace damaged or
hardened sealant ropes.
Logano G315 - Subject to technical modifications
Fig. 35,